Tennessee Onions Recipe (2024)

Home Dinner Tennessee Onions Recipe

By Heather

5 from 1 vote

Dec 08, 2023, Updated Mar 08, 2024

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Looking for a side dish that will impress your family and friends? This Tennessee onions recipe is so easy to make and is packed with incredible flavor. Made with simple ingredients like sweet onions, butter, and cheese, this recipe is one you will want to make again and again.

Tennessee Onions Recipe (2)

Why we love these Tennessee onions

Growing up in Easy Tennessee, this dish was always a favorite at family meals. A few reasons I love this dish include:

  • Taste – The sweet onion flavor combined with flavorful seasonings and gooey cheese is a match made in food heaven. It reminds me of an onion soup flavor.
  • Easy to make– You can put this recipe together in a matter of minutes with not many ingredients.
  • Flexible – Serve this as a side dish or on a variety of things like grilled chicken, pork, BBQ, and more.

Ingredients

Just a few ingredients are needed to make this recipe.

  • Sweet onions – I like using sweet Vidalia onions when you can find them in the grocery store. Walla walla onions and Maui onions also work well.
  • Butter – Choose a good quality, unsalted butter for this recipe.
  • Cheese – A blend of cheese really takes this side dish to the next level. Cheddar cheese, Italian blend cheese, and grated parmesan come together to give you the best flavor.
  • Seasonings – Italian seasoning, garlic powder, salt, and pepper
Tennessee Onions Recipe (3)

How to make Tennessee onions

  • Prepare – Set the oven temperature to 350 degrees F. Spray a 9 x 13 baking dish with non-stick cooking spray.
  • Onions – Carefully cut the ends off of the onions and remove the outer layer. Slice the onions into thin, 1/4-inch thick slices and then separate into individual onion rings.
  • Layer – Spread the onion rings out in the prepared baking dish. Sprinkle the seasonings over the sliced onions and then place the pats of butter on top of the onions.
Tennessee Onions Recipe (4)
  • Cheese – Evenly spread out the cheddar cheese, Italian blend cheese, and then parmesan cheese.
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  • Bake – Bake for about 30 minutes or until golden brown.
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@foodlovinfamily

Tennessee Onions – One of my favorite side dishes! Cheesy onions baked to perfection. This easy side dish recipe is great to seeve anytime of year. #onions #tennesseeonions #sidedish #easyrecipes #casserole #onionrecipe

♬ Joyful – ProSounds

How to store leftovers

Keep any leftovers in an airtight container in the refrigerator. They will last for 3-4 days. Reheat the onions in the oven for about 10-15 minutes or in the microwave.

Variations and substitutions

  • Cheese – Can’t find the shredded Italian blend cheese? Try substituting with mozzarella cheese, shredded Gouda cheese or Monterey Jack cheese. You can also use either mild cheddar cheese or sharp cheddar cheese depending on your preference.
  • Seasonings – Try substituting the Italian seasoning with 1/2 teaspoon of dried oregano and 1/2 teaspoon of dried thyme. If you want to add a little heat, include 1/8 teaspoon of cayenne pepper or red pepper flakes.

How to serve Tennessee onions

These cheesy onions can be served as a side dish or even as a topper. Try serving them on top of a cheeseburger, BBQ sandwich, hot dogs, or even a steak.

Be sure to let me know if you try this onion dish in the comments below.

More easy side dishes

  • Pineapple casserole
  • Spinach casserole
  • Vegetable casserole

Tennessee Onions Recipe (7)

5 from 1 vote

Tennessee Onions Recipe

By Heather

Learn how to make this easy and delicious Tennessee onions recipe. Sliced onions layered with seasonings, butter, and cheese.

Prep: 10 minutes mins

Cook: 30 minutes mins

Total: 40 minutes mins

Servings: 6

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Ingredients

  • 3-4 sweet onions
  • 1 teaspoon garlic powder
  • 1/2 teaspoon Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 4 tablespoons unsalted butter, sliced thin
  • 2 cups shredded cheddar cheese
  • 2 cups shredded Italian blend cheese or shredded mozzarella
  • 1/2 cup grated parmesan cheese

Instructions

  • Preheat the oven to 350 degrees F (175 degrees C). Spray a 9 x 13-inch baking dish with non-stick cooking spray.

  • Remove the onion skins and slice the onions into thin slices, about 1/4-inch thick. Separate the sliced rounds into onion rings.

  • Lay the onions into the prepared baking dish.

  • Sprinkle the garlic powder, Italian seasonings, salt, and pepper over the onions.

  • Spread the pats of butter over the onions.

  • Spread the shredded cheddar cheese over the onions. Next spread the Italian blend cheese and then the parmesan cheese.

  • Bake for 25-30 minutes or until cheese is melted and golden brown.

  • Serve the dish warm.

Video

Nutrition

Calories: 431kcal | Carbohydrates: 16g | Protein: 22g | Fat: 32g | Saturated Fat: 15g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.3g | Cholesterol: 72mg | Sodium: 672mg | Potassium: 253mg | Fiber: 2g | Sugar: 8g | Vitamin A: 688IU | Vitamin C: 8mg | Calcium: 454mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Side Dish

Cuisine: American

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Tennessee Onions Recipe (2024)

FAQs

What do you use sweet onions in? ›

Sweet onions really are sweet! Recipes for sweet onion soups, grilled and fried sweet onions, Vidalia onion dips, casseroles, and side dishes take advantage of the special flavor of sweet onions.

What kind of onion is a Vidalia onion? ›

The Vidalia is a type of sweet yellow onion. They're different from other types of yellow onions because of their high sugar content and low sulfur content. Most onions contain about 5 percent sugar, while Vidalias contain a whopping 12 percent.

What are sweet onions in the UK? ›

Sweet onions have a low pyruvate level, which means they do not leave a lingering aftertaste and are less likely to make the chef cry when peeling them! They are great for slicing up and tossing in a salad or for adding to a favourite cheese sandwich.

What is the difference between a sweet onion and a regular onion? ›

Larger and slightly flatter than yellow onions (they look like they've been squashed), sweet onions contain extra sugar, making them good for caramelizing. Their larger size also make them perfect for making onion rings (my favorite diner dish by the way).

What are the tastiest onions? ›

Vidalia, Walla Walla, Cipollini varieties are inherently sweet onions. These varieties have become extremely popular and for good reason. They are good cooked but they are very mild and are excellent eaten raw. These varieties of onion have a thinner husk and therefore don't store as well as wintering onions.

What is the sweetest onion in the world? ›

Vidalia Onions have developed an international reputation as the “world's sweetest onion.” Their mild flavor is due to the unique combination of soils and climate found in the 20 county production area. Through Federal regulation, the Vidalia Onion growers developed Federal Marketing Order No.

Which onion is sweeter, Vidalia or Walla Walla? ›

It's a matter of terroir, he explains. And the Walla Walla soil and growing conditions give that onion a more complex flavor profile "that tells you that this is an onion," he says. The Vidalia may be milder or sweeter, but to Dean, flavor makes the winner.

Do Vidalia onions need to be refrigerated? ›

The key to preserving Vidalias is to keep them cool, dry, and separated. When stored properly, our Vidalias can last as long as 1-2 months on the counter, or 3-6 months when placed into refrigerator veggie bin (mentioned below).

Why do chefs soak onions in water? ›

Onions - soaking in cold water to soften the flavor

When preparing raw onions, soak in cold water before hand to remove some of the pungency and soften the flavor. However since soaking too long will dilute the flavor, soaking in cold water for 5 to 10 minutes is recommended. Squeeze out excess water before using.

Why do you put baking soda on onions? ›

Baking soda makes the onions more alkaline, which speeds up the browning reactions necessary for properly caramelized onions. But it also weakens the pectin that holds the onion's cells together, turning what should be soft but distinct pieces of browned onion into a nauseating stew of pea-green mush.

What type of onions are walla walla? ›

Walla Walla onions, botanically classified as Allium cepa, are one of the only non-hybrid, sweet onions that are members of the Amaryllidaceae family. Known as a long-day variety, Walla Walla onions are named for their specific growing region in the Walla Walla Valley of Washington in the pacific northwest.

What do they call green onions in England? ›

There is often confusion about whether or not green onions and spring onions are the same thing, and this might stem from the fact that green onions are called spring onions in other countries, such as Canada and the United Kingdom.

Where is the sweetest onion in the world grown? ›

The city of Vidalia and the surrounding region in southeast Georgia are known the world over for growing the sweetest onions available, but did you know that the crop was originally a fluke?

Why use sweet onions? ›

The Vidalia sweet onion is not as acidic as its relatives, therefore making the taste mild and sweet. Because it is not as pungent in flavor, the Vidalia onion is a great nutrient-dense food to incorporate into the diets of both adults and kids alike.

What are sweet Vidalia onions good for? ›

Raw Vidalia onions are great on sandwiches, salmon burgers and with falafel, and can be put in a quick pickle to both preserve the onion and enhance the flavor. Vidalia onions also taste great roasted and caramelized, which brings out the vegetable's sweetness.

Do sweet onions need to be cooked? ›

Morris suggests adding slices of raw sweet onion to salads, sandwiches, and dips, as well as piling them atop veggie burgers. “Cooking elevates the onion's natural sweetness,” he notes. Roast peeled sweet onions whole, or caramelize thinly sliced rings in a skillet with some brown sugar and balsamic vinegar.

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